<?xml version="1.0"?>
<div>:: <span class="kw">deftheorem </span>   defines <a href="ff_siec.html#K6" title="FF_SIEC:func.6">empty_f_net</a> <a onclick="hs(this)" href="javascript:()">FF_SIEC:def 6 : <br/></a><span> <a href="ff_siec.html#K6" title="FF_SIEC:func.6">empty_f_net</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="ff_siec.html#K1" title="FF_SIEC:func.1">PTempty_f_net</a> (<a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>,<a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>);<br/></span></div>
